v0.3.0

What's new

• Per-band enable/disable — checkbox column to toggle individual EQ bands on/off
• 5 filter types — peaking, low shelf, high shelf, high pass, low pass (RBJ cookbook biquads)
• AutoEQ import — load headphone correction profiles from AutoEQ ParametricEQ.txt files
• Real-time spectrum analyzer — live frequency content overlaid on the EQ curve
• Peak hold meters — red tick marks showing recent peak levels with hold and decay
• Menu bar tray icon — hide to tray, bypass EQ, switch presets, and quit from the menu bar

Also

• 70 unit tests covering filters, AutoEQ parser, engine, and storage
• Pre-allocated FFT buffers for zero-allocation real-time audio processing
• FilterType StrEnum for type-safe filter selection

v0.2.0 — Preset Persistence & Global Preamp

What's New

Preset Persistence

• EQ presets now survive app restarts — session state auto-saves on close and restores on launch
• Save, load, and delete named presets via the new preset management UI
• Presets stored as JSON in ~/Library/Application Support/Equaliser/

Global Preamp

• Added a global gain/preamp slider (±12 dB, default -3 dB) for overall mix control

Compatibility

• Pinned PyQt6 to <6.8 for Apple Silicon compatibility
• Added troubleshooting for Qt cocoa plugin and stale venv issues

Repo Improvements

• Consolidated setup.py into pyproject.toml with a standalone scripts/build_app.py for py2app
• Single version source of truth in pyproject.toml
• Removed all build artifacts from the repo
• Added .gitignore